Adjustable square tube handrail

Abstract

The utility model provides an adjustable square tube handrail, which relates to the technical field of decoration materials, and comprises two lifting square columns, an adjusting mechanism capable of adjusting the height of the square tube handrail is arranged between the two lifting square columns, the adjusting mechanism comprises an adjusting box, and the two ends of the adjusting box are respectively fixed with the outer surfaces of the two lifting square columns. According to the adjustable square tube handrail, the adjusting mechanism is arranged, the two-way threaded rod is driven to rotate through the adjusting motor, so that the two sets of moving blocks and the sliding plate move in the horizontal direction, when the bottom end of the inclined supporting rod moves along with the sliding plate, the inclination angle of the inclined supporting rod can be changed, and the top end of the inclined supporting rod can push the fixing plate to ascend and descend; according to the device, the two lifting square columns are arranged, so that the extension ends of the two lifting square columns drive the square tube handrail to lift, the height of the square tube handrail can be adjusted, after the square plate is rotated to be in a horizontal state, people can sit on the square plate to have a temporary rest, and the functions are diversified.

Description

Technical Field

[0001] The utility model relates to a square tube handrail, in particular to an adjustable square tube handrail, belonging to the technical field of furniture decoration materials. Background Art

[0002] Square tube handrails are practical and decorative protrusions usually installed on stairs, corridors, balconies, etc. They are components on the upper edge of railings or balustrades for people to lean on or hold on to. They are widely used because of their simple construction and good decorative effect.

[0003] A multifunctional square tube handrail with a balustrade disclosed in the Chinese patent application publication specification CN216281289U comprises a square tube, the two sides of the outer wall at the bottom of the square tube are fixedly connected with the same balustrade, the outer wall at the bottom of the square tube is provided with a mounting opening, and the inner wall of the mounting opening is provided with a light box, the two sides of the outer wall at the bottom of the light box are fixedly connected with a light strip, the two sides of the light box are fixedly connected with two mounting ears, and the two mounting ears are provided with a mounting mechanism, the two sides of the outer wall at the bottom of the square tube are provided with a round opening, and the inner walls of the two round openings are fixedly connected with a mounting sleeve, the mounting mechanism comprises a mounting tube, and the inner wall of the mounting tube is slidably connected with a pull rod, and the pull rod is a T-shaped structure. The utility model is convenient for replacing or maintaining the light strip on the light box by providing a light box that is easy to disassemble at the bottom of the square tube, and the light strip is convenient for lighting at night, and the mounting mechanism on the light box improves the efficiency of disassembling and assembling the light box.

[0004] After the square tube armrest in the above patent is installed, it is difficult to adjust the height of the square tube armrest. When people move furniture and large objects, the square tube armrest will hinder the movement of furniture. Different people have different heights. By adjusting the height of the square tube armrest to a suitable height, the comfort of people when leaning on or holding the square tube armrest can be improved. For this reason, we provide an adjustable square tube armrest to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The utility model provides an adjustable square tube armrest, which can adjust the height of the square tube armrest, thereby reducing the obstruction caused by the square tube armrest to the transportation of furniture, improving the comfort of people when leaning on or holding the square tube armrest, and after the square board is rotated to a horizontal state, people can sit on the square board, which can provide people with temporary rest, and has multiple functions.

[0007] (II) Technical solution

[0008] The utility model is implemented through the following technical scheme: an adjustable square tube handrail, comprising two lifting square columns, an adjusting mechanism capable of adjusting the height of the square tube handrail is arranged between the two lifting square columns, the adjusting mechanism comprises an adjusting box, two ends of the adjusting box are respectively fixed to the outer surfaces of the two lifting square columns, an adjusting motor is fixed to the inner wall of the adjusting box, a bidirectional threaded rod is fixed to the output end of the adjusting motor, one end of the bidirectional threaded rod is rotatably connected to a rotating shaft, the rotating shaft is fixed to the inner wall of the adjusting box, the outer surface of the bidirectional threaded rod is threadedly connected to two moving blocks, a sliding plate is fixed to the upper surface of each of the moving blocks, and the outer surface of each of the sliding plates is rotatably connected to a diagonal support rod.

[0009] Preferably, a sliding groove is provided inside the regulating box, and the outer surface of each sliding plate is slidably connected to the sliding groove. The sliding groove can limit the moving direction of the sliding plate, so that the moving block can stably drive the sliding plate to move horizontally.

[0010] Preferably, one end of each of the diagonal support rods is rotatably connected to a fixed plate, and each of the fixed plates is fixed to the extended end of the corresponding lifting square column. By adjusting the horizontal position of the bottom end of the diagonal support rod, the inclination angle of the diagonal support rod can be changed, so that the top end of the diagonal support rod pushes the fixed plate to rise and fall.

[0011] Preferably, a square plate is provided under the adjusting box, and two rotating rods are fixed on the outer surface of the square plate, and one end of each rotating rod is rotatably connected to the corresponding lifting square column. The two rotating rods are symmetrically installed on both side surfaces of the square plate, so that the square plate can rotate along the axis of the rotating rods. After the square plate is rotated ninety degrees, the square plate is in a horizontal state, so that people can sit on the square plate to rest.

[0012] Preferably, two placement grooves are provided inside the square plate, each of the placement grooves is provided with a U-shaped supporting leg, and the two placement grooves are symmetrically arranged inside the square plate. The placement grooves can provide space for placing the U-shaped supporting legs.

[0013] Preferably, each of the U-shaped supporting legs is rotatably connected to the inside of the placement slot, and a limit baffle is fixed to the outer surfaces of the two lifting square columns. After the U-shaped supporting legs are rotated ninety degrees, the bottom ends of the U-shaped supporting legs can contact the ground and support the square plate in a horizontal state. The limit baffle can limit the rotation direction of the square plate, and when the square plate is in a vertical state, the limit baffle can prevent the U-shaped supporting legs from moving.

[0014] Preferably, a square tube body is provided above the adjustment box, the bottom surface of the square tube body is fixed to the extended ends of two lifting square columns, the square tube body is horizontally fixed on the extended ends of the two lifting square columns, and the height of the square tube body can be adjusted by telescoping the extended ends of the lifting square columns.

[0015] The utility model provides an adjustable square tube handrail, which has the following beneficial effects:

[0016] 1. The adjustable square tube armrest is provided with an adjusting mechanism, and the bidirectional threaded rod is driven by an adjusting motor to rotate inside the adjusting box, so that the two sets of moving blocks and the sliding plate move in the horizontal direction, and the sliding plate is rotatably connected to the bottom end of the diagonal support rod. When the sliding plate moves, the bottom end of the diagonal support rod moves with the sliding plate, and the inclination angle of the diagonal support rod can be changed by adjusting the horizontal position of the bottom end of the diagonal support rod, so that the top end of the diagonal support rod pushes the fixed plate to be lifted and lowered, so that the extended ends of the two lifting square columns can drive the square tube armrest to be lifted and lowered, so that the device can adjust the height of the square tube armrest, thereby reducing the obstruction of the square tube armrest to the transportation of furniture, and improving the comfort of people when leaning on or holding the square tube armrest.

[0017] 2. The adjustable square tube armrest is provided with a square plate, a U-shaped supporting leg and other components. The square plate is pulled to rotate along the axis of the rotating rod to a horizontal state, and then the U-shaped supporting leg is rotated ninety degrees so that the bottom end of the U-shaped supporting leg contacts the ground, thereby supporting the square plate in a horizontal state, so that people can sit on the square plate for a temporary rest, making the functions of the armrest more diverse. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0019] Figure 2 This is a front view structural schematic diagram of the utility model;

[0020] Figure 3 It is a schematic diagram of the structure of the square plate and the U-shaped supporting leg after rotation of the utility model;

[0021] Figure 4 It is a schematic diagram of the internal cross-sectional structure of the regulating box of the utility model.

[0022] Description of Reference Numerals

[0023] 1. Lifting square column;

[0024] 2. Adjustment mechanism; 201. Adjustment box; 202. Adjustment motor; 203. Bidirectional threaded rod; 204. Rotation shaft; 205. Moving block; 206. Sliding plate; 207. Diagonal support rod; 208. Sliding slot; 209. Fixed plate;

[0025] 3. Square plate; 4. Placement slot; 5. U-shaped support leg; 6. Limit baffle; 7. Square tube body; 8. Rotating rod. DETAILED DESCRIPTION

[0026] The utility model embodiment provides an adjustable square tube handrail.

[0027] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , including two lifting square columns 1, an adjusting mechanism 2 capable of adjusting the height of the square tube handrail is arranged between the two lifting square columns 1, the adjusting mechanism 2 includes an adjusting box 201, both ends of the adjusting box 201 are respectively fixed to the outer surfaces of the two lifting square columns 1, an adjusting motor 202 is fixed to the inner wall of the adjusting box 201, a bidirectional threaded rod 203 is fixed to the output end of the adjusting motor 202, one end of the bidirectional threaded rod 203 is rotatably connected to a rotating shaft 204, the rotating shaft 204 is fixed to the inner wall of the adjusting box 201, the adjusting motor 202 can provide power for the bidirectional threaded rod 203 to rotate, one end of the bidirectional threaded rod 203 is rotatably connected to the inner wall of the adjusting box 201 through the rotating shaft 204, so that the bidirectional threaded rod 203 can stably rotate in the adjusting box 201.

[0028] The outer surface of the bidirectional threaded rod 203 is threadedly connected to two moving blocks 205, and a sliding plate 206 is fixed to the upper surface of each moving block 205. The outer surface of each sliding plate 206 is rotatably connected to a diagonal support rod 207. When the bidirectional threaded rod 203 rotates, it can drive the moving blocks 205 and the sliding plates 206 to move in the horizontal direction, and the sliding plates 206 are rotatably connected to the bottom ends of the diagonal support rods 207. When the sliding plates 206 move, the bottom ends of the diagonal support rods 207 will move with the sliding plates 206.

[0029] Please refer to Figure 1 , Figure 3 and Figure 4 A sliding groove 208 is provided inside the regulating box 201, and the outer surface of each sliding plate 206 is slidably connected to the sliding groove 208. The sliding groove 208 can limit the moving direction of the sliding plate 206, so that the moving block 205 can stably drive the sliding plate 206 to move horizontally.

[0030] Please refer to Figure 1 and Figure 4One end of each diagonal support rod 207 is rotatably connected to a fixed plate 209, and each fixed plate 209 is fixed to the extended end of the corresponding lifting square column 1. By adjusting the horizontal position of the bottom end of the diagonal support rod 207, the inclination angle of the diagonal support rod 207 can be changed, so that the top end of the diagonal support rod 207 pushes the fixed plate 209 to rise and fall.

[0031] Please refer to Figure 1 and Figure 2 A square plate 3 is provided below the regulating box 201, and two rotating rods 8 are fixed on the outer surface of the square plate 3. One end of each rotating rod 8 is rotatably connected to the corresponding lifting square column 1. The two rotating rods 8 are symmetrically installed on both side surfaces of the square plate 3, so that the square plate 3 can rotate along the axis of the rotating rods 8. After the square plate 3 is rotated ninety degrees, the square plate 3 is in a horizontal state, so that people can sit on the square plate 3 to rest.

[0032] Please refer to Figure 1 Two placement grooves 4 are provided inside the square plate 3, and each placement groove 4 is provided with a U-shaped support leg 5. The two placement grooves 4 are symmetrically arranged inside the square plate 3, and the placement grooves 4 can provide space for placing the U-shaped support leg 5.

[0033] Please refer to Figure 1 , Figure 2 and Figure 3 Each U-shaped supporting leg 5 is rotatably connected to the inside of the placement slot 4, and a limit baffle 6 is fixed to the outer surface of the two lifting square columns 1. After the U-shaped supporting leg 5 is rotated ninety degrees, the bottom end of the U-shaped supporting leg 5 can contact the ground and can support the square plate 3 in a horizontal state. The limit baffle 6 can limit the rotation direction of the square plate 3, and when the square plate 3 is in a vertical state, the limit baffle 6 can prevent the U-shaped supporting leg 5 from moving.

[0034] Please refer to Figure 1 , Figure 2 and Figure 3 A square tube body 7 is provided above the adjustment box 201, and the bottom surface of the square tube body 7 is fixed to the extended ends of the two lifting square columns 1. The square tube body 7 is horizontally fixed on the extended ends of the two lifting square columns 1. The height of the square tube body 7 can be adjusted by telescoping the extended ends of the lifting square columns 1.

[0035] When the utility model is in use: when it is necessary to adjust the height of the square tube handrail, the bidirectional threaded rod 203 is driven to rotate inside the adjustment box 201 by adjusting the motor 202, so that the two groups of moving blocks 205 and the sliding plate 206 move in the horizontal direction, and the sliding plate 206 is rotatably connected to the bottom end of the diagonal support rod 207. When the sliding plate 206 moves, the bottom end of the diagonal support rod 207 moves with the sliding plate 206. By adjusting the horizontal position of the bottom end of the diagonal support rod 207, the inclination angle of the diagonal support rod 207 can be changed, so that the top end of the diagonal support rod 207 pushes the fixed plate 209 to rise and fall, so that the extending ends of the two lifting square columns 1 are lifted and lowered at the same time, thereby achieving the purpose of the device being able to adjust the height of the square tube handrail.

[0036] By pulling the square board 3 to rotate along the axis of the rotating rod 8 to a horizontal state, and then rotating the U-shaped supporting leg 5 ninety degrees, the bottom end of the U-shaped supporting leg 5 is in contact with the ground, thereby supporting the square board 3 in a horizontal state, so that people can sit on the square board 3 for a temporary rest, making the function of the device more diverse.

[0037] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An adjustable square tube handrail, comprising two lifting square columns (1), characterized in that: An adjustment mechanism (2) capable of adjusting the height of the square tube handrail is provided between the two lifting square columns (1), the adjustment mechanism (2) comprising an adjustment box (201), and two ends of the adjustment box (201) are respectively fixed to the outer surfaces of the two lifting square columns (1); An adjusting motor (202) is fixed to the inner wall of the adjusting box (201); a bidirectional threaded rod (203) is fixed to the output end of the adjusting motor (202); one end of the bidirectional threaded rod (203) is rotatably connected to a rotating shaft (204); the rotating shaft (204) is fixed to the inner wall of the adjusting box (201); the outer surface of the bidirectional threaded rod (203) is threadably connected to two moving blocks (205); a sliding plate (206) is fixed to the upper surface of each moving block (205); and the outer surface of each sliding plate (206) is rotatably connected to a diagonal support rod (207).

2. The adjustable square tube handrail according to claim 1, characterized in that: A sliding groove (208) is provided inside the regulating box (201), and the outer surface of each sliding plate (206) is slidably connected to the sliding groove (208).

3. The adjustable square tube handrail according to claim 1, characterized in that: One end of each diagonal support rod (207) is rotatably connected to a fixing plate (209), and each fixing plate (209) is fixed to an extended end of a corresponding lifting square column (1).

4. The adjustable square tube handrail according to claim 1, characterized in that: A square plate (3) is provided below the regulating box (201), and two rotating rods (8) are fixed to the outer surface of the square plate (3), and one end of each rotating rod (8) is rotatably connected to a corresponding lifting square column (1).

5. The adjustable square tube handrail according to claim 4, characterized in that: Two placement grooves (4) are provided inside the square plate (3), and a U-shaped supporting leg (5) is provided inside each of the placement grooves (4).

6. The adjustable square tube handrail according to claim 5, characterized in that: Each of the U-shaped supporting legs (5) is rotatably connected to the inside of the placement slot (4), and a limit baffle (6) is fixed to the outer surface of the two lifting square columns (1).

7. The adjustable square tube handrail according to claim 1, characterized in that: A square tube body (7) is provided above the adjustment box (201), and the bottom surface of the square tube body (7) is fixed to the extended ends of the two lifting square columns (1).

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